候诊室里有一个病人。她患牙痛。她没有事先预约。

Doctor Smith, a patient is in the waiting room. She has a toothache. She doesn't have an appointment.

youdao

候诊室里有一个病人。她患牙痛。她没有事先预约。

Doctor Smith, a patient is in the waiting room. She has a toothache. She doesn't have an appointment.

youdao